Target And Source Columns DataType

Nov 27, 2011

I need to create an Bulk upload utility using ASP.Net and SQL Server. Below is the process for the uploads -

Excel Template wherein user will enter the details. A Tab-delimited output file will be generated using the VBA.
There are 2 tables - one is Temp Table which is replica of the the final table and second is the final table
Using File.OpenText(filePath).ReadLine() - All the Rows from the tab delimited data file will be inserted into DataTable.

using SQLBulkCopy the tab-delimited data file data will be inserted into the Temp Table.

Data will be validated based on the data inserted in the temp table. If the data as errors then the temp table will be cleared else the data will be inserted from the temp table to the final table.

My Issue is that in both the tables there is a column (Name : PeopleKey (Int PrimaryKey)). If the user enters Alphabetic value then the Bulk Utility is failing. Below are the two options in my mind -

1. I can change the DataType in Temp table from int to VARCHAR. So, the data can be inserted at first and then I can validate and get the data corrected. But i am not sure whether it is the right way to fix issue as the source and target tables columns are different.

2. When the data in inserted into the Datatable by following Step 3. So, once the data in inserted into DataTable then i can validate there. Thus the source and target tables Datatype will be same.

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DataReader Source Error - Cannot Change The Datatype, Precision Or Scale In The Output Columns

Oct 3, 2007

I have a data source that I access via odbc in a DataReader Source component in SSIS. I can access the data fine. However, I am having problems with certain fields that are numeric (specifically home prices ranging from 100,000.00 to 99,999,999.00). In the advanced editor for my data reader source under the input and output properties tab, in data reader output under the external columns and output columns, these fields for some reason default to numeric data types with a precision of 4 and a scale of zero, not large enough to hold the data that is coming in. This causes errors that make the data come in as null (after i specify to ignore the errors).

I can change the precision and scale to 18 and 4 in the external columns, but when I try to change the datatype, precision or scale in the output columns I get the following message:

Property Value is not valid.

The details are:

Error at Import DataReader Source: The data type of output columns on the component "DataReader Source" cannot be changed.
Error at DataReader Source: System.Runtime.InteropServices.COMException (0xC020837D)
at Microsoft.SqlServer.Dts.Pipeline.DataReaderSourceAdapter.SetOutputColumnDataTypeProperties(Int32 iOutputID, Int32 iOutputColumnID, DataType eDataType, Int32 iLength, Int32 iPrecision, Int32 iScale, Int32 iCodePage)
at Microsoft.SqlServer.Dts.Pipeline.ManagedComponentHost.HostSetOutputColumnDataTypeProperties(IDTSManagedComponentWrapper90 wrapper, Int32 iOutputID, Int32 iOutputColumnID, DataType eDataType, Int32 iLength, Int32 iPrecision, Int32 iScale, Int32 iCodePage)

Any help is greatly appreciated.
Dave

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I 've tried many different src/trg data type defs., but all yeild the same results.



Execution Results from debug:



Everything validates and then...



[kcd [8671]] Error: Data conversion failed. The data conversion for column "load_time_min" returned status value 2 and status text "The value could not be converted because of a potential loss of data.".



[kcd [8671]] Error: The "output column "load_time_min" (11050)" failed because error code 0xC0209084 occurred, and the error row disposition on "output column "load_time_min" (11050)" specifies failure on error. An error occurred on the specified object of the specified component.



Any ideas appreciated!



Thanks.

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Regards

 

 

 

 

 

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OUTPUT source.id, inserted.id
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For example, if the source record contains information about goods sold like date, customer, item code, item name and total amount, and does so for a maximum of 3 goods per sale (row), therefore has the structure:

[date], [custid], [code1], [name1], [amount1], [code2], [name2], [amount2], [code3], [name3], [amount3]

trying to transfer that record to a [SALES] target table (in a normalized database), we would have to split each source record as follows:

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I have tried using a datapump task and VBScript, and I guess it has to do with the DTSTransformStat_**** constants, but none of those I used seems to work

Vasilis Siatravanis,
siatravanisv@interamerican.gr , vasilliss@hotmail.com

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                       1                    100
                       8                    500
Target Data : Col_A (PK)      Col_2
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Hi all,



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Thanks.

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i gues its something like

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insert into @Stop (StopId, UserField)
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[code]...

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Aug 17, 2015

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Imports System
Imports Microsoft.SqlServer.Dts.Pipeline
Imports Microsoft.SqlServer.Dts.Pipeline.Wrapper
Imports Microsoft.SqlServer.Dts.Runtime.Wrapper
<DtsPipelineComponent(ComponentType:=ComponentType.SourceAdapter,
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[Code] ....

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Apr 10, 2007

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Thanks for your help!

Kind regards,

Marcel Hijnen
eXDe Solutions B.V.

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Jan 31, 2007

Hi:

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Once a missing column is found, I get runtime and design time errors, and metadata problems. How can a get SSIS to ignore missing columns?

TIA





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Apr 17, 2008

Hi

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The column "F42" needs to be added to the external metadata column collection.
The column "F43" needs to be added to the external metadata column collection.
The column "F44" needs to be added to the external metadata column collection.
The column "F45" needs to be added to the external metadata column collection.
The column "F46" needs to be added to the external metadata column collection.
The column "F47" needs to be added to the external metadata column collection.

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Hi,

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Dec 14, 2006

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I just want to do one thing:

In the For Loop, everytime it send a new value to the SQLQuery variable and the TableName variable, then I could use it to transfer many tables in a same logic.

My question is: Really, I could send new values to the variables and make it go. But everytime it says "The external metadata column collection is out of synchronization with the data source columns." Because the external metadata was recorded and not be change automatically everytime of Loop.

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Oct 3, 2007

Hi SSIS Experts

I have a problem in that I execute the following code within a OLE DB Source to a SQL 2k database. The results are returned when I press the Preview button however when I open the Columns tab I do not get results returned.

As you will see from my code I have tried to use both a table var & # table both produce the same results.

Any Solutions to this more then welcome



set nocount on

declare @l_Table_name varchar(255)
,@l_cmd varchar(4000)
,@l_db_name varchar(255)

Declare @result table (
SQLInstanceName varchar(255)
,DatabaseName varchar(255)
,TableName varchar(255)
,RecordDate datetime
)

-- Create temp table to hold Table data
create table #TableList
(
SQLInstanceName varchar(255)
,DatabaseName varchar(255)
,TableName varchar(255)
)

-- Load list of databases from master into Cursor
declare db_name_cursor insensitive cursor
for
select name from master..sysdatabases where name <> 'Tempdb' -- Exclude Tempdb

open db_name_cursor

fetch next from db_name_cursor into
@l_db_name

While (@@fetch_status = 0)
begin



-- Build select statment to be executed on each database.
set @l_cmd = 'use ' + @l_db_name
set @l_cmd = @l_cmd + ' insert into #TableList (SQLInstanceName,DatabaseName,TableName) '
set @l_cmd = @l_cmd + ' select @@servername SQLInstanceName,db_name(), name from sysobjects WHERE type = ''U'''

-- Exec the command
exec (@l_cmd)

--print @l_cmd


fetch next from db_name_cursor into
@l_db_name
end

-- Clean up Cursor
close db_name_cursor
deallocate db_name_cursor



insert into @Result
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drop table #TableList
set nocount off

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Mar 14, 2006

We have a complicated select query that needs to build a couple temporary work tables that are then used in the final select statement (in an OLEDB Source data flow control). We can click preview and see the resultset, but if we click on the Columns view there are no columns. We can save and close the OLEDB Source control but downstream from it there are messages saying that there are no input columns. The T-SQL looks something like this (abbreviated):

SELECT fieldlist INTO #temp1 FROM table

SELECT fieldlist INTO #temp2 FROM table

SELECT fieldlist FROM table INNER JOIN #temp1 INNER JOIN #temp2

DROP TABLE #temp1; DROP TABLE #temp2

Has anyone been able to use temp tables in a source SQL statement in a data flow? Are we doing something wrong or incomplete?

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Feb 7, 2007

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I took the following steps:

- Created new SSIS project
- Added a Data Source connecting to a SQLServer2005 DB (MyDataSource)
- Added a Data Source View based on MyDataSource (MyDSV)
- Created a Calcualted field to Table Object MyTable (MyCalcField)
- Added a Connection Manager based on MyDSV
- Added Data Flow to Project
- Added OLEDB Source Adapter to Data Flow
- Attempting to Access Calculated Field MyCalcField to be used in Data Flow.

ISSUE: I can't seem to find a way to get the Calculated field to pass through. It's as though this metadata is not available to the Flow.

Anyone have any ideas?

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Dec 12, 2007

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After setting up the loop and testing to see if the user:: sql_statement variable populates correctly i then added a data flow transfer with an ole db source and destination. I then go into the advanced editor for the source and set it to accept an sql statement from a variable and use my user:: sql_statement variable. I was forced to set validate external metadata option to false to avoid an error since there is no way to validate the columns until the for each loop runs during run time.

Now thats all fine and good but what is causing my problem is that during run time, when the package gets to the data flow task, the select statement doesn't seem to be populating the input columns of the data source. I have been searching to no avail on a way to tell the data source to update the input columns but every time it gets there, the package bombs out telling me the ole db source has no available output columns.

Specifically the error i get is :
[DTS.Pipeline] Error: "output "OLE DB Source Output" (6616)" contains no output columns. An asynchronous output must contain output columns.

Any help with this would be much appreciated.

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